<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>v-on基础</title>
</head>

<body>
    <div id="app">
        <button v-on:click="al">点击弹出</button>
        <button @click="change" v-html="message"></button>
    </div>
    <script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
    <script>
        var app = new Vue({
            el: '#app',
            data: {
                message: '点击改变文本',
                ok: 'okok',
            },
            methods: {
                al: function() {
                    alert(1);
                },
                change: function() {
                    this.message += "我再加";
                }
            },

        })
    </script>

</body>

</html>